Can medical audit change electromyographic practice?

N. B. Finnerup, B. Johnsen, A. Fuglsang-Frederiksen, M. De Carvalho, P. Fawcett, R. Liguori, W. Nix, I. Schofield, A. Vila

Research output: Contribution to journalArticlepeer-review


Considerable variation in EMG practice has been described previously. Since 1992, 7 clinical neurophysiologists from 6 European countries prospectively collected electromyographic (EMG) examinations. The aim of this study was to examine whether several years of mutual influence among physicians using medical audit resulted in a more uniform EMG practice. We studied whether there was a change in the number of examinations per patient and the techniques used from the first 12 to the last 12 EMG examinations on patients with polyneuropathy. For F-wave studies and motor nerve studies, there was a clear change towards a more uniform practice. For sensory nerve conduction studies and muscle studies, there were only minor changes. With regard to examination techniques, there was a reduction in the use of more time-consuming examination techniques (near-nerve sensory studies and quantitative muscle studies). It seems possible to change the EMG practice of individual physicians by international collaboration and medical audit. However, until now most changes have been minor and large differences in European EMG practices persist. The diversity of practices suggests a need for studies on the optimal application of existing examination techniques. Copyright (C) 1998 Elsevier Science Ireland Ltd.

Original languageEnglish
Pages (from-to)496-501
Number of pages6
JournalElectroencephalography and Clinical Neurophysiology - Electromyography and Motor Control
Issue number6
Publication statusPublished - 1998


  • Changing neurophysiologists' practices
  • EMG
  • EMG examination
  • Medical audit
  • Nerve conduction study
  • Polyneuropathy

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)


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